As regulated by the product Aluminum traded on the London Metal Exchange (LME).
1. Primary aluminium with impurities no greater than the chemical composition of one of the registered designations:
a, P1020A in the North American and International Registration Record entitled “International Designations and Chemical Composition Limits for Unalloyed Aluminum” (revised March 2007)
b, Al99.70 in the GB/T 1196-2008 Standard entitled “Unalloyed aluminium ingots for remelting”
For warrants created up to and including 31 December 2009 primary aluminium of minimum 99.70% purity with maximum permissible iron content 0.20% and maximum permissible silicon content 0.10%.
2. Delivereable under the shape of Ingots, t-bars, sows
3. All aluminium deliverable against LME contracts must be of an LME-approved brand
(A) P1020A in the North American and International Registration Record entitled “International Designations and Chemical Composition Limits for Unalloyed Aluminium” (revised March 2007)
| Element |
Composition, % maximum |
| Si |
0.10 |
| Fe |
0.20 |
| Zn |
0.03 |
| Ga |
0.04 |
| V |
0.03 |
| Others Each ** |
0.03 |
| Others Total ** |
0.10 |
| Aluminium |
Remainder |
** There is no requirement within the Specification to establish the composition values of any other specific element.
(B) GB/T 1196-2008 registered designation Al99.70 entitled “Unalloyed Aluminium Ingots for Remelting”
| Element |
Composition % |
| Al |
99.70 minimum |
| Si |
0.10 maximum |
| Fe |
0.20 maximum |
| Zn |
0.03 maximum |
| Ga |
0.03 maximum |
| Cu |
0.01 maximum |
| Mg |
0.02 maximum |
| Others Each |
0.03 maximum |
| Total of all Impurities |
0.30 maximum |
Warrants issued before 1 January 2010 could also conform to specification (C) below:
(C) Primary Aluminium of Specification:
| Element |
Composition, % maximum |
| Si |
0.10 |
| Fe |
0.20 |
| Aluminium |
99.70 % minimum |
